US ZIP Code 20705 Age & Gender Statistics (2024)

Total Population

28,713

Median Age

37.2

Male Median

37.8

Female Median

36.7

US ZIP Code 20705 Population Growth

Population trends in
Figure 1: Annual population growth trend for (2021–2024).

US ZIP Code 20705 Demographic Trend

Since 2021, the population of has changed by +2.9%%.

+2.9%% Growth

US ZIP Code 20705 Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


US ZIP Code 20705 Historical Population Data

YearMedian AgePopulation
202437.228,713
202336.628,119
202235.728,660
202136.027,914

US ZIP Code 20705 Age Group Breakdown (2024)

Age CohortPercentage
Under 55.9%
5–1718.7%
18–247.9%
25–3414.5%
35–5427.1%
55–6411.7%
65+14.2%

Dependency Ratios for US ZIP Code 20705

Total Dependency Ratio:
63.4
Youth Dependency:
40.2
Old-Age Dependency:
23.2

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for US ZIP Code 20705

The median age in US ZIP Code 20705 is 37.2 years.

According to latest Census data, the total population of US ZIP Code 20705 is 28,713.

In US ZIP Code 20705, seniors (ages 65+) make up 14.2% of the population, while children under 18 represent 18.7%.

Based on historical data since 2021, the population in US ZIP Code 20705 has remained stable.
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